The R package catR is a useful developmental and testing platform for adaptive tests. Developers and researchers have been using catR for their assessments or research projects. However, there is a flaw in catR that can potentially cause misleading results. This article shows the flaw and provides a solution. Suggestions in using seeds for random numbers were also provided.

中文翻译：

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有关使用catR进行仿真的种子使用问题和解决方案。

R包catR是用于自适应测试的有用的开发和测试平台。开发人员和研究人员一直在使用catR进行评估或研究项目。但是，catR中存在一个缺陷，有可能导致误导性结果。本文展示了该缺陷并提供了解决方案。还提供了使用种子随机数的建议。